Upgrade the reliability of your RB20 or RB25 engine with the Pro Series Cylinder Head Stud Kit, designed for improved strength and sealing under demanding conditions.

Factory head bolts can lose clamping force when exposed to increased boost and cylinder pressure. This stud kit provides a more consistent and even clamping load, helping maintain proper head gasket sealing and reducing the risk of failure in performance applications.

Constructed from high-strength alloy steel, these studs are built to handle the stress of turbocharged engines and high-RPM operation. The stud design allows for more accurate torque application and better load distribution compared to traditional bolts, making it a critical upgrade for both street and track builds.

Whether you're refreshing a stock engine or building for higher horsepower, this kit delivers the durability and confidence needed for long-term performance.

COMPATIBLE WITH
NISSAN RB SERIES INLINE-6

• 2.0L RB20 / RB20DET
• 2.5L RB25 / RB25DET

COMMON VEHICLE APPLICATIONS

Nissan Skyline GTS / GTS-T (RB20 / RB25 equipped)
Nissan Laurel / Cefiro / Stagea RB swap applications
RB20DET and RB25DET performance builds

NOTES

Designed for Nissan RB20 / RB25 cylinder head stud applications.

Verify block, cylinder head, gasket thickness, and torque procedure before installation.

Not compatible with RB26DETT applications unless specifically confirmed.

Specifications:

Torque	3 Steps up to 80ft-lbs with Lube
Color	Black
Fastener Style	Cylinder head stud
Grade	Performance
Nut Style	12-point nuts
Material	35 Chromoly Steel
Quantity	Sold as a kit